Traditional heat supply based on burning mineral fuel in boilers not only wastes energy but also pollutes environments.

实现建筑节能目标任重道远，传统的燃烧矿物质燃料的锅炉供暖方式不仅浪费能源，而且严重污染环境。

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The reduction of mineral fuel causes energy crisis and burning of mineral fuel causes greenhouse effect that makes existent environment of people face to great challenge.

矿物燃料枯竭引起的能源危机，燃烧矿物燃料引起的温室效应使得人类的生存环境面临重大挑战。

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Mineral oils are used for fuel; animal and vegetable oils are used in cooking and medicine, and in many other ways.

各种矿物油作燃料，动物油和植物油用于烹调、医药及许多其他方面。

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Indeed, the data are only in opposition to making fuel from algae if nitrogen and phosphorus nutrients are added in their mineral forms, and if the CO2 has to be injected into the system, as produced elsewhere and transported as a compressed gas.

FORBES: Report Says Algal Biofuels May Not Cut Carbon Emissions, But Read More Closely